detach AlertResource on alertDisable

1. 报警规则禁用时，detach 关联的报警资源

影响范围：报警规则的禁用；logger日志服务i18n的日志展示

pkg/monitor/tasks/detach_alertresource_task.go

@@ -0,0 +1,46 @@
+package tasks
+
+import (
+	"context"
+	"fmt"
+
+	"yunion.io/x/jsonutils"
+	"yunion.io/x/log"
+	"yunion.io/x/pkg/errors"
+
+	"yunion.io/x/onecloud/pkg/cloudcommon/db"
+	"yunion.io/x/onecloud/pkg/cloudcommon/db/taskman"
+	"yunion.io/x/onecloud/pkg/monitor/models"
+	"yunion.io/x/onecloud/pkg/util/logclient"
+)
+
+type DetachAlertResourceTask struct {
+	taskman.STask
+}
+
+func init() {
+	taskman.RegisterTask(&DetachAlertResourceTask{})
+}
+
+func (self *DetachAlertResourceTask) OnInit(ctx context.Context, obj db.IStandaloneModel, body jsonutils.JSONObject) {
+	alert := obj.(*models.SCommonAlert)
+	errs := alert.DetachAlertResourceOnDisable(ctx, self.GetUserCred())
+	if len(errs) != 0 {
+		msg := jsonutils.NewString(fmt.Sprintf("fail to DetachAlertResourceOnAlertDisable:%s.err:%v", alert.Name, errors.NewAggregate(errs)))
+		self.taskFail(ctx, alert, msg)
+		return
+	}
+	err := models.GetAlertResourceManager().NotifyAlertResourceCount(ctx)
+	if err != nil {
+		log.Errorf("DetachAlertResourceTask NotifyAlertResourceCount error:%v", err)
+	}
+	logclient.AddActionLogWithStartable(self, alert, logclient.ACT_DETACH_ALERTRESOURCE, nil, self.UserCred, true)
+	self.SetStageComplete(ctx, nil)
+}
+
+func (self *DetachAlertResourceTask) taskFail(ctx context.Context, alert *models.SCommonAlert, msg jsonutils.JSONObject) {
+	db.OpsLog.LogEvent(alert, db.ACT_DETACH, msg, self.GetUserCred())
+	logclient.AddActionLogWithStartable(self, alert, logclient.ACT_DETACH_ALERTRESOURCE, msg, self.UserCred, false)
+	self.SetStageFailed(ctx, msg)
+	return
+}